Lineage for Family c.23.16.6: Putative sigma cross-reacting protein 27A (SCRP-27A, EllB)

1. Root: SCOP 1.65

2. Class c: Alpha and beta proteins (a/b) [51349] (121 folds)

3. Fold c.23: Flavodoxin-like [52171] (16 superfamilies) 3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345

4. Superfamily c.23.16: Class I glutamine amidotransferase-like [52317] (7 families) conserved positions of the oxyanion hole and catalytic nucleophile; different costituent families contain different additional structures

5. Family c.23.16.6: Putative sigma cross-reacting protein 27A (SCRP-27A, EllB) [89605] (1 protein) most similar to the DJ-1/PfpI family; contains a Cys-Glu putative catalytic diad